Materials Selection for Energy-Efficient Systems

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Derive Materials Performance Indexes Nutshell story: We have to keep the fixed parameters. But we can ratio out the free variables (e.g. cross-sectional area). In the resulting equation, the materials properties are separated from the engineering terms. Example: A beam subject to a bending load… m AL mass of beam S CEI L 3 stiffness of beam; C = const., E = modulus I A2 second moment of area (square beam) 12 Eliminate area A m 12SL3 C 1 2 L Materials selection E 1 2 : Need to minimize E 1 2 !
Materials Performance Indexies
Page 1: Materials Selection for Energy-Eff
Page 4 and 5: Dependence on Non-renewable Materia
Page 6 and 7: Container: How Much Energy & CO2 As
Page 8 and 9: Compare Energy Use in Products
Page 10 and 11: How Do Materials Influence Energy U
Page 14 and 15: Design with Materials: Example: Mod
Page 16 and 17: Modulus vs. Embodied Energy
Page 18 and 19: How Does Weight of Auto Affect Fuel
Page 20 and 21: Tradeoff: Material vs. Use Cost
Page 22 and 23: How Do We Know the Relative Importa
Page 24 and 25: Example: Electric Tea Kettle
Page 26 and 27: Eco-Audit Tool
Page 28 and 29: Example: Energy in Architecture: Em
Page 30 and 31: Connect the Panels…the Shell is D
Page 32 and 33: What the Math Reveals • Styofoam
Page 34 and 35: Let’s See What the Developers Do

Materials Selection for Energy-Efficient Systems

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